Question

If the sum of 2 numbers is 27 and their hcf and lcm are 3 and 60

Answer 1

let the first digit is x
than the second digit is (27-x)
Than.....
(27-x) × x = 3 × 60
we find ....

$27x \: - { x}^{2} = 180 \\ {x \: }^{2} - 27x + 180 = 0$
now do factories by your self